const person: { name: string, age: number, sex: string, fn?: () => void } = {
    name: "陶品奇",
    age: 22,
    sex: "男"
}

type personType = { name: string, age: number, sex: string, fn?: () => void }

const p: personType = {
    name: "陶品奇",
    age: 22,
    sex: "男"
}
